The manufacturer of Beanie Baby dolls used quarterly price data for 2005 / 2013 /V(1-1, 36) and the regression equation Pta+ bt+c₁ D1 1+ c2021+ c3 D3t to forecast doll prices in the year 2014. Pt is the quarterly price of dolls, and D1, D2, and D3, are dummy variables for quarters I, II, and I, respectively.
The manufacturer of Beanie Baby dolls used quarterly price data for 2005 / 2013 /V(1-1, 36) and the regression equation Pta+ bt+c₁ D1 1+ c2021+ c3 D3t to forecast doll prices in the year 2014. Pt is the quarterly price of dolls, and D1, D2, and D3, are dummy variables for quarters I, II, and I, respectively.
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 2ECP
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![The manufacturer of Beanie Baby dolls used quarterly price data for 2005 /-2013 /V(-1,..., 36) and the regression equation
Pta+ bt+c₁ D1 + c2 021+ c3 D3 t
to forecast doll prices in the year 2014. Pt is the quarterly price of dolls, and D1, D2, and D3 are dummy variables for quarters I, I, and II, respectively.
DEPENDENT VARIABLE: PT
OBSERVATIONS:
R-SQUARE
0.9078
P-VALUE ON F
0.0001
36
PARAMETER
F-RATIO
76.34
STANDARD
ERROR
6.20
VARIABLE
ESTIMATE
P-VALUE
T-RATIO
3.87
INTERCEPT
24.0
0.0005
T
0.800
0.240
3.33
0.0022
-8.0
D1
2.60
-3.08
0.0043
-6.00
1.80
-3.33
D2
0.0022
0.60
-40
-6.67
D3
0.0001
quarter is significantly higher than in any other quarter.
At the 2 percent level of statistical significance, the estimation results indicate that price in the
O 1st
O 2nd
O 3rd
O 4th
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Transcribed Image Text:The manufacturer of Beanie Baby dolls used quarterly price data for 2005 /-2013 /V(-1,..., 36) and the regression equation
Pta+ bt+c₁ D1 + c2 021+ c3 D3 t
to forecast doll prices in the year 2014. Pt is the quarterly price of dolls, and D1, D2, and D3 are dummy variables for quarters I, I, and II, respectively.
DEPENDENT VARIABLE: PT
OBSERVATIONS:
R-SQUARE
0.9078
P-VALUE ON F
0.0001
36
PARAMETER
F-RATIO
76.34
STANDARD
ERROR
6.20
VARIABLE
ESTIMATE
P-VALUE
T-RATIO
3.87
INTERCEPT
24.0
0.0005
T
0.800
0.240
3.33
0.0022
-8.0
D1
2.60
-3.08
0.0043
-6.00
1.80
-3.33
D2
0.0022
0.60
-40
-6.67
D3
0.0001
quarter is significantly higher than in any other quarter.
At the 2 percent level of statistical significance, the estimation results indicate that price in the
O 1st
O 2nd
O 3rd
O 4th
Activate Window
Go to Settings to activa
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